cmd/compile: remove flag_largemodel

It was added in 2013 in CL 7064048.
All uses of it in the compiler disappeared with
(or possibly before) the SSA backend.
Several releases have gone by without it,
from which I conclude that it is now not needed.

Change-Id: I2095f4ac05d4d7ab998168993a7fd5d954aeee88
Reviewed-on: https://go-review.googlesource.com/40856
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

diff --git a/src/cmd/compile/internal/gc/go.go b/src/cmd/compile/internal/gc/go.go
index 272b6c5b2c657d6fc6052be628d073a93dc81426..72127b052fb77ad26aa51952e565b461c9a884fd 100644 (file)
--- a/src/cmd/compile/internal/gc/go.go
+++ b/src/cmd/compile/internal/gc/go.go
@@ -201,8 +201,6 @@ var flag_race bool
 
 var flag_msan bool
 
-var flag_largemodel bool
-
 // Whether we are adding any sort of code instrumentation, such as
 // when the race detector is enabled.
 var instrumenting bool

diff --git a/src/cmd/compile/internal/gc/main.go b/src/cmd/compile/internal/gc/main.go
index f00ef6a3df21ec1bf2477f60469239d50d68efc6..36ec651245b832fc3654dbd921220c69a137826b 100644 (file)
--- a/src/cmd/compile/internal/gc/main.go
+++ b/src/cmd/compile/internal/gc/main.go
@@ -164,9 +164,6 @@ func Main(archInit func(*Arch)) {
        mappkg.Prefix = "go.map"
 
        Nacl = obj.GOOS == "nacl"
-       if Nacl {
-               flag_largemodel = true
-       }
 
        flag.BoolVar(&compiling_runtime, "+", false, "compiling runtime")
        obj.Flagcount("%", "debug non-static initializers", &Debug['%'])
@@ -215,9 +212,6 @@ func Main(archInit func(*Arch)) {
                flag.BoolVar(&flag_shared, "shared", false, "generate code that can be linked into a shared library")
                flag.BoolVar(&flag_dynlink, "dynlink", false, "support references to Go symbols defined in other shared libraries")
        }
-       if thearch.LinkArch.Family == sys.AMD64 {
-               flag.BoolVar(&flag_largemodel, "largemodel", false, "generate code that assumes a large memory model")
-       }
        flag.StringVar(&cpuprofile, "cpuprofile", "", "write cpu profile to `file`")
        flag.StringVar(&memprofile, "memprofile", "", "write memory profile to `file`")
        flag.Int64Var(&memprofilerate, "memprofilerate", 0, "set runtime.MemProfileRate to `rate`")